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Carlos Antonio da Silva 2014-02-25 09:20:15 -03:00
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10
guides/source/getting_started.md
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@ -57,9 +57,9 @@ learned elsewhere, you may have a less happy experience.
The Rails philosophy includes two major guiding principles: The Rails philosophy includes two major guiding principles:
* **Don't Repeat Yourself:** DRY is a principle of software development which * **Don't Repeat Yourself:** DRY is a principle of software development which
states that "Every piece of knowledge must have a single, unambiguous, authoritative states that "Every piece of knowledge must have a single, unambiguous, authoritative
representation within a system." By not writing the same information over and over representation within a system." By not writing the same information over and over
again, our code is more maintainable, more extensible, and less buggy. again, our code is more maintainable, more extensible, and less buggy.
* **Convention Over Configuration:** Rails has opinions about the best way to do many * **Convention Over Configuration:** Rails has opinions about the best way to do many
things in a web application, and defaults to this set of conventions, rather than things in a web application, and defaults to this set of conventions, rather than
@ -1121,8 +1121,8 @@ via the `PATCH` HTTP method which is the HTTP method you're expected to use to
The first parameter of the `form_tag` can be an object, say, `@article` which would The first parameter of the `form_tag` can be an object, say, `@article` which would
cause the helper to fill in the form with the fields of the object. Passing in a cause the helper to fill in the form with the fields of the object. Passing in a
symbol (`:article`) with the same name as the instance variable (`@article`) also symbol (`:article`) with the same name as the instance variable (`@article`) also
automagically leads to the same behavior. This is what is happening here. More details automagically leads to the same behavior. This is what is happening here. More details
can be found in [form_for documentation](http://api.rubyonrails.org/classes/ActionView/Helpers/FormHelper.html#method-i-form_for). can be found in [form_for documentation](http://api.rubyonrails.org/classes/ActionView/Helpers/FormHelper.html#method-i-form_for).
Next we need to create the `update` action in Next we need to create the `update` action in
@ -1396,7 +1396,7 @@ class CreateComments < ActiveRecord::Migration
t.text :body t.text :body
# this line adds an integer column called `article_id`. # this line adds an integer column called `article_id`.
t.references :article, index: true t.references :article, index: true
t.timestamps t.timestamps
end end